In[]:=
lt=10;ut=20;incr=2;​​​​Manipulate[t,​​Control[{{lt,-20,"Start Temperature",ImageSizeTiny},-40.0,240.0,10.0,ImageSizeTiny,Appearance"Labeled",ControlPlacement->Left}],​​Control[{{incr,10,"Temp Increment",ImageSizeTiny},1,50.0,10.0,ImageSizeTiny,Appearance"Labeled",ControlPlacement->Left}],​​Control[{{ut,120,"End Temp.",ImageSizeTiny},-40.0,240.0,10.0,ImageSizeTiny,Appearance"Labeled",ControlPlacement->Left}],​​Control@{{t,{},""},​​Table[loadcase->ToString[loadcase]<>" deg C",{loadcase,lt,ut,incr}],ControlType->CheckboxBar,Appearance->("Vertical"),ControlPlacement->Bottom,Appearance"Labeled"}]
Out[]=
​
Start Temperature
-20
Temp Increment
10
End Temp.
120
{}
-20 deg C
-10 deg C
0 deg C
10 deg C
20 deg C
30 deg C
40 deg C
50 deg C
60 deg C
70 deg C
80 deg C
90 deg C
100 deg C
110 deg C
120 deg C